Ethan M Penner

About

American content creator whose videos are about geology: rocks, minerals, crystals, and more. His "What's Inside That Rock?" series has helped him earn more than 1.8 million followers on his rockmanethan TikTok account. His videos are fast-paced, and he often makes puns incorporating the names of rocks and minerals. He began posting on TikTok in 2020. 

Before Fame

He holds a Master of Science in Geology from Binghamton University. In both high school and college he ran track and was part of a singing group. 

Trivia

He has both a geology-focused and personal Instagram page. He plays piano and sings. 

Family Life

He has a sister, and his parents have appeared on his personal Instagram page. 

Associated With

One of his first TikToks is covering the song "Falling" by Harry Styles. In another early video, he responds to comments saying he looks like actor Penn Badgley.